LTC1682CS8-5 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1682CS8-5' PDF : 12 Pages View PDF
LTC1682/LTC1682-3.3/LTC1682-5
TYPICAL PERFOR A CE CHARACTERISTICS
CPO Output Resistance vs VIN
35
TA = 25°C
30
C1 = 0.22µF
IOUT = 10mA
25
20
15
10
5
1.5 2.0 2.5 3.0 3.5
VIN (V)
4.0 4.5
1682 G01
LTC1682-5 Output Noise
(BW = 10Hz to 2.5MHz)
Min and Max VCPO vs VIN
9
TA = 25°C
8
7
VCPO = 2(VIN)
(A)
6
(B)
5
4
VCPO = 1.45(VIN)
3
1.5 2.0 2.5 3.0 3.5
VIN (V)
4.0 4.5
(A) THE MAXIMUM GENERATED NO LOAD
CPO VOLTAGE
(B) THE MINIMUM ALLOWABLE CPO VOLTAGE,
AT FULL LOAD, TO ENSURE THAT THE LDO
IS NOT DISABLED
1682 G02
Shutdown to Enable Timing
VOUT Transient Response
10
5
0
TA = 25°C
–5 VIN = 3V
VOUT = 4V
–10 COUT = 10µF
15
10
5
0
0 50 100 150 200 250 300
TIME (µs)
1682 G02
Enable to Shutdown Timing
VOUT
200µV/DIV
100µs/DIV
CCPO = COUT = 4.7µF
IOUT = 10mA
VIN = 3V
VOUT = 5V
TA = 25°C
CFILT = 1nF
1682 G04
2
0
4
TA = 25°C
3 VIN = 3V
VOUT = 4V
2 IOUT = 10mA
CCPO = COUT = 10µF
1
0
200µs/DIV
2
0
4
3
2
NO LOAD
1 TA = 25°C
VIN = 3V
0
VOUT = 4V
COUT = 10µF
1ms/DIV
Oscillator Frequency vs
Temperature
565
VIN = 3V
560
555
550
545
540
535
530
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1682 G07
1682 G05
Operating Current vs VIN
(No Load)
220
TA = 25°C
200
180
LTC1682-3.3
160
LTC1682-5
140
LTC1682
120
100
80
60
1.5 2.0 2.5 3.0 3.5
VIN (V)
4.0 4.5
1682 G08
1682 G06
4
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